| Citation: | LYU Zhifeng, ZHANG Jinsheng, WANG Shicheng, et al. Real-time control method of magnetic field simulation based on advance regulation[J]. Journal of Beijing University of Aeronautics and Astronautics, 2018, 44(7): 1454-1460. doi: 10.13700/j.bh.1001-5965.2017.0560(in Chinese)
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The hardware in the loop simulation system of geomagnetic navigation is the key link of geomagnetic navigation from theory to engineering application. At the present stage, the real-time performance is one of the key technologies that restrict its development. To solve this problem, the delay effect of the magnetic field simulation in the system is analyzed emphatically, and the mathematical model of current versus time in magnetic field simulation is established. Then the real-time control method of magnetic field simulation based on advance regulation is proposed. The simulation experimental results show that when the initial control current is increased by 18.43%, the real-time performance of the system is increased by 5.45 times. And the test experimental results show that when the initial control current is increased by 18.57%, the real-time performance of the system is improved by 3 times. The method presented in this paper can provide a reference for improving the real-time performance of the hardware in the loop simulation system of geomagnetic navigation.
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